3278159: SCREW,CAP,HEXAGON HEAD.
The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.386 INCHES MINIMUM AND 0.426 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 1.250 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN, fastener_length: 4.885 INCHES MINIMUM AND 4.915 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 5305-01-021-2708, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.
Verify compatibility with your specific system configuration before ordering.
| material | STEEL OVERALL |
| head_style | HEXAGON |
| head_height | 0.386 INCHES MINIMUM AND 0.426 INCHES MAXIMUM IN |
| thread_class | 2A A |
| thread_length | 1.250 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN |
| fastener_length | 4.885 INCHES MINIMUM AND 4.915 INCHES MAXIMUM IN |
| thread_direction | RIGHT-HAND |
| width_between_flats | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| nominal_thread_diameter | 0.500 INCHES IN |
| thread_quantity_per_inch | 20 |
| thread_series_designator | UNF |
| material_document_and_classification | SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NSN | 5305-01-021-2708 |
| HEAD HEIGHT | 0.386 INCHES MINIMUM AND 0.426 INCHES MAXIMUM IN |
| FASTENER LENGTH | 4.885 INCHES MINIMUM AND 4.915 INCHES MAXIMUM IN |
| THREAD LENGTH | 1.250 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES IN |
| HEAD STYLE | HEXAGON |
| THREAD DIRECTION | RIGHT-HAND |
| WIDTH BETWEEN FLATS | 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| THREAD CLASS | 2A A |
| THREAD QUANTITY PER INCH | 20 |